Can you identify this deficiency?

Macintyre22

Macintyre22

Member
The plant (Cherry Pie) is 5 weeks old, being grown indoors. Using Advanced Nutrients (micro,veg,bloom) as instructed with a PH of 6.5
 

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Can you please post a full plant picture? That's Potassium deficiency by the looks of it, but a whole plant pic will provide a more complete picture.

Also, what medium are your plants in?
 

Like I thought...
  • Lightweight, sphagnum based peat growing mix with added Mycorrhizae for added root support
You're in K lockout due to too high a pH.

Drop your pH to 5.7-6.2 in peat. For the first couple watering, ensure it's at 6.0 or a point under (ie. 5.9). This will ensure that K will be uptaken.
 
lime73 said:
What water you using? Ppm/ec of water before nutes added?
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I'm using Brita water, I add the nutrients and then adjust the PH with a ph meter and ph up/down if needed, but the nutes I'm using on this grow are from Advanced Nutrients with "perfect ph". My last 3 grows have been done this way, only difference is I spent a little more on Nutrients. I used to use RootFarm nutes
 
spek9 said:
Like I thought...
  • Lightweight, sphagnum based peat growing mix with added Mycorrhizae for added root support
You're in K lockout due to too high a pH.

Drop your pH to 5.7-6.2 in peat. For the first couple watering, ensure it's at 6.0 or a point under. This will ensure that K will be uptaken.
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Thanks a lot man, I will give that a try! The ph after nutes is usually between 6.3-6.6, I will lower it and hopefully that does the trick. I really appreciate the help/feedback
 
Im not sure, I will get a ppm meter to find out. What's getting me is that my other tent is using the exact same medium and nutes and they are looking healthy
 

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Macintyre22 said:
Im not sure, I will get a ppm meter to find out. What's getting me is that my other tent is using the exact same medium and nutes and they are looking healthy
Click to expand...

Then modify the pH of only that one plant for now, and see how it, along with the other current healthy ones behave.
 
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